ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,582, issued on April 21, was assigned to .50 Cal Fitness LLC (Edna, Texas).
"Adjustable center-mass weight assembly" was invented by Derek J. Dunbar (Edna, Texas), Cody W. Engelmohr (Louise, Texas) and Zachary T. Hall (New Kensington, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an adjustable center-mass weight assembly including a plurality of substantially concentric weights engaged by one or more capturing rods which can be extended from or retracted into a rotatable handle. As the handle is rotated in a first direction, the rods extend through consecutive weights to add weight and by rotating the handle in...